EP 0347851 B1 19931110 - Quinolonecarboxylic acids.
Title (en)
Quinolonecarboxylic acids.
Title (de)
Chinolinoncarbonsäuren.
Title (fr)
Acides quinolonecarboxyliques.
Publication
Application
Priority
- JP 5880989 A 19890310
- JP 15259388 A 19880621
Abstract (en)
[origin: EP0347851A1] Described are novel quinolinecarboxylic acids of the general formula <CHEM> wherein R<1> is C1-C4 alkyl, R<2> and R<3> each is identically or differently hydrogen or C1-C4 alkyl, R<4> is cyclopropyl, phenyl, halo-phenyl, or thienyl optionally substituted by C1-C4 alkyl or halogen, and R<5> is halogen, or pharmaceutically acceptable salts thereof having a more potent and longer lasting antibacterial activities against G(+) and G(-) bacteria than known analogues.
IPC 1-7
IPC 8 full level
A61K 31/47 (2006.01); A61P 31/04 (2006.01); C07D 401/04 (2006.01); C07D 409/14 (2006.01)
CPC (source: EP KR US)
A61P 31/04 (2017.12 - EP); C07D 401/04 (2013.01 - EP KR US); C07D 409/14 (2013.01 - EP US); Y02P 20/55 (2015.11 - EP US)
Citation (examination)
ARZNEISTOFFE, pages 90-96
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0347851 A1 19891227; EP 0347851 B1 19931110; AU 3608089 A 19900104; AU 617181 B2 19911121; DE 68910593 D1 19931216; DE 68910593 T2 19940414; ES 2061798 T3 19941216; JP H0276875 A 19900316; JP H0674261 B2 19940921; KR 910000702 A 19910130; KR 920001135 B1 19920206; US 5106854 A 19920421
DOCDB simple family (application)
EP 89111229 A 19890620; AU 3608089 A 19890606; DE 68910593 T 19890620; ES 89111229 T 19890620; JP 5880989 A 19890310; KR 890008595 A 19890621; US 63117190 A 19901213